| At June 30, | |||||||||||
| (Dollars in thousands, except par value) | 2026 | 2025 | |||||||||
| ASSETS | |||||||||||
| Cash and cash equivalents | $ | 1,108,633 | $ | 1,933,845 | |||||||
| Restricted cash | 199,169 | 242,509 | |||||||||
| Total cash, cash equivalents and restricted cash | 1,307,802 | 2,176,354 | |||||||||
| Trading securities | 661 | 649 | |||||||||
| Available-for-sale securities | 803,667 | 66,008 | |||||||||
| Stock of regulatory agencies | 36,166 | 35,163 | |||||||||
| Loans held for sale, carried at fair value | 14,937 | 10,012 | |||||||||
| Loans held for sale, lower of cost or fair value | 5,129 | — | |||||||||
Loans—net of allowance for credit losses of $347,375 as of June 30, 2026 and $290,049 as of June 30, 2025 | 25,595,403 | 21,049,610 | |||||||||
| Servicing rights, carried at fair value | 25,653 | 27,218 | |||||||||
| Securities borrowed | 163,462 | 139,396 | |||||||||
| Customer, broker-dealer and clearing receivables | 347,944 | 252,720 | |||||||||
| Goodwill and other intangible assets—net | 249,317 | 134,502 | |||||||||
| Other assets | 1,411,728 | 891,446 | |||||||||
| TOTAL ASSETS | $ | 29,961,869 | $ | 24,783,078 | |||||||
| LIABILITIES AND STOCKHOLDERS’ EQUITY | |||||||||||
| Deposits: | |||||||||||
| Non-interest bearing | $ | 3,828,800 | $ | 3,040,696 | |||||||
| Interest bearing | 20,736,592 | 17,788,847 | |||||||||
| Total deposits | 24,565,392 | 20,829,543 | |||||||||
| Advances from the Federal Home Loan Bank | 154,000 | 60,000 | |||||||||
| Secured financings | 576,680 | — | |||||||||
| Borrowings, subordinated notes and debentures | 342,915 | 312,671 | |||||||||
| Securities loaned | 194,729 | 139,426 | |||||||||
| Customer, broker-dealer and clearing payables | 365,792 | 350,606 | |||||||||
| Accounts payable and other liabilities | 595,943 | 410,155 | |||||||||
| Total liabilities | 26,795,451 | 22,102,401 | |||||||||
| COMMITMENTS AND CONTINGENCIES | |||||||||||
| STOCKHOLDERS’ EQUITY: | |||||||||||
Common stock—$0.01 par value; 150,000,000 shares authorized, 71,939,630 shares issued and 56,734,049 shares outstanding as of June 30, 2026; 71,101,642 shares issued and 56,483,617 shares outstanding as of June 30, 2025 | 719 | 711 | |||||||||
| Additional paid-in capital | 592,916 | 548,895 | |||||||||
| Accumulated other comprehensive income (loss)—net of income tax | 3,914 | 348 | |||||||||
| Retained earnings | 3,108,897 | 2,618,525 | |||||||||
Treasury stock, at cost; 15,205,581 shares as of June 30, 2026 and 14,618,025 shares as of June 30, 2025 | (540,028) | (487,802) | |||||||||
| Total stockholders’ equity | 3,166,418 | 2,680,677 | |||||||||
| TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY | $ | 29,961,869 | $ | 24,783,078 | |||||||
| Three Months Ended | |||||||||||
| June 30, | |||||||||||
| (Dollars in thousands, except earnings per common share) | 2026 | 2025 | |||||||||
| INTEREST AND DIVIDEND INCOME: | |||||||||||
| Loans, including fees | $ | 470,407 | $ | 410,910 | |||||||
| Securities borrowed and customer receivables | 10,183 | 6,699 | |||||||||
Investments and other | 18,540 | 24,804 | |||||||||
| Total interest and dividend income | 499,130 | 442,413 | |||||||||
| INTEREST EXPENSE: | |||||||||||
| Deposits | 157,937 | 156,931 | |||||||||
| Advances from the Federal Home Loan Bank | 10,194 | 310 | |||||||||
| Securities loaned | 218 | 477 | |||||||||
| Other borrowings | 12,891 | 4,534 | |||||||||
| Total interest expense | 181,240 | 162,252 | |||||||||
| Net interest income | 317,890 | 280,161 | |||||||||
| Provision for credit losses | 17,850 | 14,997 | |||||||||
| Net interest income, after provision for credit losses | 300,040 | 265,164 | |||||||||
| NON-INTEREST INCOME: | |||||||||||
| Broker-dealer fee income | 11,330 | 11,013 | |||||||||
| Advisory fee income | 9,220 | 7,747 | |||||||||
| Banking and service fees | 36,757 | 9,515 | |||||||||
Mortgage banking and servicing rights income | 365 | 12,855 | |||||||||
| Prepayment penalty fee income | 4,205 | 155 | |||||||||
| Total non-interest income | 61,877 | 41,285 | |||||||||
| NON-INTEREST EXPENSE: | |||||||||||
| Salaries and related costs | 82,666 | 74,888 | |||||||||
Data and operational processing | 24,891 | 20,358 | |||||||||
| Depreciation and amortization | 26,810 | 7,691 | |||||||||
| Advertising and promotional | 11,067 | 11,025 | |||||||||
| Professional services | 9,322 | 10,362 | |||||||||
| Occupancy and equipment | 6,812 | 4,536 | |||||||||
| FDIC and regulatory fees | 7,001 | 6,990 | |||||||||
| Broker-dealer clearing charges | 4,718 | 4,282 | |||||||||
| General and administrative expense | 32,658 | 10,520 | |||||||||
| Total non-interest expense | 205,945 | 150,652 | |||||||||
| INCOME BEFORE INCOME TAXES | 155,972 | 155,797 | |||||||||
| INCOME TAXES | 31,026 | 45,122 | |||||||||
| NET INCOME | $ | 124,946 | $ | 110,675 | |||||||
| Basic earnings per common share | $ | 2.20 | $ | 1.96 | |||||||
| Diluted earnings per common share | $ | 2.16 | $ | 1.92 | |||||||
Year Ended June 30, | |||||||||||||||||
| (Dollars in thousands, except earnings per common share) | 2026 | 2025 | 2024 | ||||||||||||||
| INTEREST AND DIVIDEND INCOME: | |||||||||||||||||
| Loans, including fees | $ | 1,831,455 | $ | 1,654,784 | $ | 1,499,572 | |||||||||||
| Securities borrowed and customer receivables | 31,933 | 25,492 | 22,407 | ||||||||||||||
| Investments and other | 93,564 | 135,189 | 133,628 | ||||||||||||||
| Total interest and dividend income | 1,956,952 | 1,815,465 | 1,655,607 | ||||||||||||||
| INTEREST EXPENSE: | |||||||||||||||||
| Deposits | 646,365 | 667,753 | 670,570 | ||||||||||||||
| Advances from the Federal Home Loan Bank | 17,586 | 1,652 | 3,087 | ||||||||||||||
| Securities loaned | 974 | 1,830 | 2,214 | ||||||||||||||
| Other borrowings | 45,117 | 16,458 | 18,307 | ||||||||||||||
| Total interest expense | 710,042 | 687,693 | 694,178 | ||||||||||||||
| Net interest income | 1,246,910 | 1,127,772 | 961,429 | ||||||||||||||
| Provision for credit losses | 101,105 | 55,745 | 32,500 | ||||||||||||||
| Net interest income, after provision for credit losses | 1,145,805 | 1,072,027 | 928,929 | ||||||||||||||
| NON-INTEREST INCOME: | |||||||||||||||||
| Broker-dealer fee income | 45,273 | 45,233 | 48,136 | ||||||||||||||
| Advisory fee income | 35,978 | 31,794 | 31,335 | ||||||||||||||
| Banking and service fees | 139,825 | 38,195 | 35,723 | ||||||||||||||
| Mortgage banking and servicing rights income | 6,108 | 13,007 | 10,000 | ||||||||||||||
| Prepayment penalty fee income | 6,399 | 2,837 | 5,069 | ||||||||||||||
| Gain on acquisition | — | — | 92,397 | ||||||||||||||
| Total non-interest income | 233,583 | 131,066 | 222,660 | ||||||||||||||
| NON-INTEREST EXPENSE: | |||||||||||||||||
| Salaries and related costs | 323,046 | 297,955 | 250,873 | ||||||||||||||
| Data and operational processing | 91,885 | 80,433 | 69,370 | ||||||||||||||
| Depreciation and amortization | 80,623 | 29,019 | 27,086 | ||||||||||||||
| Advertising and promotional | 49,134 | 47,760 | 42,797 | ||||||||||||||
| Professional services | 42,806 | 37,572 | 36,532 | ||||||||||||||
| Occupancy and equipment | 22,391 | 17,705 | 16,704 | ||||||||||||||
| FDIC and regulatory fees | 27,693 | 27,558 | 20,546 | ||||||||||||||
| Broker-dealer clearing charges | 17,729 | 17,065 | 18,260 | ||||||||||||||
| General and administrative expense | 77,411 | 34,631 | 33,940 | ||||||||||||||
| Total non-interest expense | 732,718 | 589,698 | 516,108 | ||||||||||||||
| INCOME BEFORE INCOME TAXES | 646,670 | 613,395 | 635,481 | ||||||||||||||
| INCOME TAXES | 156,298 | 180,487 | 185,473 | ||||||||||||||
| NET INCOME | $ | 490,372 | $ | 432,908 | $ | 450,008 | |||||||||||
| Basic earnings per common share | $ | 8.66 | $ | 7.61 | $ | 7.82 | |||||||||||
| Diluted earnings per common share | $ | 8.48 | $ | 7.43 | $ | 7.66 | |||||||||||
| (Dollars in thousands) | June 30, 2026 | June 30, 2025 | |||||||||
| Single Family - Mortgage & Warehouse | $ | 4,581,772 | $ | 4,395,278 | |||||||
| Multifamily and Commercial Mortgage | 2,484,290 | 2,940,739 | |||||||||
| Commercial Real Estate | 8,867,851 | 6,937,187 | |||||||||
| Commercial & Industrial - Non-RE | 9,495,647 | 6,795,497 | |||||||||
| Auto & Consumer | 666,477 | 482,996 | |||||||||
| Total gross loans | 26,096,037 | 21,551,697 | |||||||||
| Allowance for credit losses - loans | (347,375) | (290,049) | |||||||||
| Unaccreted premiums (discounts) and loan fees | (153,259) | (212,038) | |||||||||
| Total net loans | $ | 25,595,403 | $ | 21,049,610 | |||||||
| June 30, 2026 | |||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Unrealized Gains | Unrealized Losses | Fair Value | |||||||||||||||||||
| United States Treasury securities | $ | 732,118 | $ | 304 | $ | — | $ | 732,422 | |||||||||||||||
| Mortgage-backed securities (MBS): | |||||||||||||||||||||||
Agency1 | $ | 68,344 | $ | 215 | $ | (1,587) | $ | 66,972 | |||||||||||||||
Non-agency2 | 3,330 | 974 | (31) | 4,273 | |||||||||||||||||||
| Total mortgage-backed securities | 71,674 | 1,189 | (1,618) | 71,245 | |||||||||||||||||||
Total available-for-sale securities | $ | 803,792 | $ | 1,493 | $ | (1,618) | $ | 803,667 | |||||||||||||||
| June 30, 2025 | |||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Unrealized Gains | Unrealized Losses | Fair Value | |||||||||||||||||||
| Mortgage-backed securities (MBS): | |||||||||||||||||||||||
Agency1 | $ | 48,229 | $ | 327 | $ | (1,799) | $ | 46,757 | |||||||||||||||
Non-agency2 | 14,395 | 1,232 | (58) | 15,569 | |||||||||||||||||||
| Total mortgage-backed securities | 62,624 | 1,559 | (1,857) | 62,326 | |||||||||||||||||||
| Municipal | 3,682 | — | — | 3,682 | |||||||||||||||||||
Total available-for-sale securities | $ | 66,306 | $ | 1,559 | $ | (1,857) | $ | 66,008 | |||||||||||||||
| (Dollars in thousands) | June 30, 2026 | June 30, 2025 | ||||||||||||
| Non-interest bearing | $ | 3,828,800 | $ | 3,040,696 | ||||||||||
| Interest-bearing demand and savings | 20,202,452 | 16,660,290 | ||||||||||||
| Time deposits | 534,140 | 1,128,557 | ||||||||||||
| Total interest bearing | 20,736,592 | 17,788,847 | ||||||||||||
Total deposits1 | $ | 24,565,392 | $ | 20,829,543 | ||||||||||
| At June 30, | ||||||||||||||
| 2026 | 2025 | |||||||||||||
| Non-interest bearing | 57,925 | 50,967 | ||||||||||||
| Interest-bearing checking and savings accounts | 639,543 | 546,678 | ||||||||||||
| Time deposits | 2,102 | 2,956 | ||||||||||||
| Total number of deposit accounts | 699,570 | 600,601 | ||||||||||||
For the Three Months Ended, | |||||||||||||||||||||||||||||||||||
| June 30, 2026 | June 30, 2025 | ||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Average Balance1 | Interest Income/ Expense | Average Yields Earned/Rates Paid2 | Average Balance1 | Interest Income/ Expense | Average Yields Earned/Rates Paid2 | |||||||||||||||||||||||||||||
| Assets: | |||||||||||||||||||||||||||||||||||
Loans3, 4 | $ | 25,535,601 | $ | 470,407 | 7.37 | % | $ | 20,539,298 | $ | 410,910 | 8.00 | % | |||||||||||||||||||||||
Non-purchased loans | 24,943,763 | 451,156 | 7.23 | % | 19,560,321 | 374,450 | 7.66 | % | |||||||||||||||||||||||||||
Purchased loans5 | 591,838 | 19,251 | 13.01 | % | 978,977 | 36,460 | 14.90 | % | |||||||||||||||||||||||||||
| Interest-earning deposits in other financial institutions | 1,117,742 | 9,342 | 3.34 | % | 2,149,658 | 23,652 | 4.40 | % | |||||||||||||||||||||||||||
Mortgage-backed and other securities4 | 806,470 | 8,135 | 4.03 | % | 76,214 | 642 | 3.37 | % | |||||||||||||||||||||||||||
Securities borrowed and margin lending6 | 492,596 | 10,183 | 8.27 | % | 344,061 | 6,699 | 7.79 | % | |||||||||||||||||||||||||||
| Stock of the regulatory agencies | 46,501 | 1,063 | 9.14 | % | 29,599 | 510 | 6.89 | % | |||||||||||||||||||||||||||
| Total interest-earning assets | 27,998,910 | 499,130 | 7.13 | % | 23,138,830 | 442,413 | 7.65 | % | |||||||||||||||||||||||||||
| Non-interest-earning assets | 1,566,243 | 813,673 | |||||||||||||||||||||||||||||||||
| Total assets | $ | 29,565,153 | $ | 23,952,503 | |||||||||||||||||||||||||||||||
| Liabilities and Stockholders’ Equity: | |||||||||||||||||||||||||||||||||||
| Interest-bearing demand and savings | $ | 18,972,408 | $ | 151,833 | 3.20 | % | $ | 16,284,806 | $ | 148,589 | 3.65 | % | |||||||||||||||||||||||
| Time deposits | 610,773 | 6,104 | 4.00 | % | 845,052 | 8,342 | 3.95 | % | |||||||||||||||||||||||||||
| Securities loaned | 203,242 | 218 | 0.43 | % | 108,963 | 477 | 1.75 | % | |||||||||||||||||||||||||||
| Advances from the FHLB | 1,057,452 | 10,194 | 3.86 | % | 60,001 | 310 | 2.07 | % | |||||||||||||||||||||||||||
| Secured financings | 614,702 | 7,234 | 4.71 | % | |||||||||||||||||||||||||||||||
| Borrowings, subordinated notes and debentures | 365,732 | 5,657 | 6.19 | % | 355,690 | 4,534 | 5.10 | % | |||||||||||||||||||||||||||
| Total interest-bearing liabilities | 21,824,309 | 181,240 | 3.32 | % | 17,654,512 | 162,252 | 3.68 | % | |||||||||||||||||||||||||||
| Non-interest-bearing demand deposits | 3,639,612 | 2,960,476 | |||||||||||||||||||||||||||||||||
| Other non-interest-bearing liabilities | 916,533 | 710,207 | |||||||||||||||||||||||||||||||||
| Stockholders’ equity | 3,184,699 | 2,627,308 | |||||||||||||||||||||||||||||||||
| Total liabilities and stockholders’ equity | $ | 29,565,153 | $ | 23,952,503 | |||||||||||||||||||||||||||||||
| Net interest income | $ | 317,890 | $ | 280,161 | |||||||||||||||||||||||||||||||
Interest rate spread7 | 3.81 | % | 3.97 | % | |||||||||||||||||||||||||||||||
Net interest margin8 | 4.54 | % | 4.84 | % | |||||||||||||||||||||||||||||||
| For the Fiscal Years Ended June 30, | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2026 | 2025 | 2024 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Average Balance1 | Interest Income / Expense | Average Yields Earned / Rates Paid | Average Balance1 | Interest Income / Expense | Average Yields Earned / Rates Paid | Average Balance1 | Interest Income / Expense | Average Yields Earned / Rates Paid | ||||||||||||||||||||||||||||||||||||||||||||
| Assets: | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans2,3 | $ | 23,781,799 | $ | 1,831,455 | 7.70 | % | $ | 19,853,221 | $ | 1,654,784 | 8.34 | % | $ | 18,010,709 | $ | 1,499,572 | 8.33 | % | |||||||||||||||||||||||||||||||||||
| Non-purchased loans | 23,069,131 | 1,716,105 | 7.44 | % | 18,880,093 | 1,494,140 | 7.91 | % | 17,458,451 | 1,405,202 | 8.05 | % | |||||||||||||||||||||||||||||||||||||||||
Purchased loans4 | 712,668 | 115,350 | 16.19 | % | 973,128 | 160,644 | 16.51 | % | 552,258 | 94,370 | 17.09 | % | |||||||||||||||||||||||||||||||||||||||||
| Interest-earning deposits in other financial institutions | 1,779,674 | 69,021 | 3.88 | % | 2,665,865 | 128,073 | 4.80 | % | 2,242,226 | 120,861 | 5.39 | % | |||||||||||||||||||||||||||||||||||||||||
| Mortgage-backed and other securities | 521,479 | 21,446 | 4.11 | % | 109,405 | 5,181 | 4.74 | % | 218,565 | 11,234 | 5.14 | % | |||||||||||||||||||||||||||||||||||||||||
Securities borrowed and margin lending4 | 435,559 | 31,933 | 7.33 | % | 344,055 | 25,492 | 7.41 | % | 329,154 | 22,407 | 6.81 | % | |||||||||||||||||||||||||||||||||||||||||
| Stock of the regulatory agencies | 35,272 | 3,097 | 8.78 | % | 26,930 | 1,935 | 7.19 | % | 17,250 | 1,533 | 8.89 | % | |||||||||||||||||||||||||||||||||||||||||
| Total interest-earning assets | 26,553,783 | $ | 1,956,952 | 7.37 | % | 22,999,476 | $ | 1,815,465 | 7.89 | % | 20,817,904 | 1,655,607 | 7.95 | % | |||||||||||||||||||||||||||||||||||||||
| Non-interest-earning assets | 1,262,124 | 775,958 | 811,032 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Total assets | $ | 27,815,907 | $ | 23,775,434 | $ | 21,628,936 | |||||||||||||||||||||||||||||||||||||||||||||||
| Liabilities and Stockholders’ Equity: | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Interest-bearing demand and savings | $ | 18,252,569 | $ | 609,800 | 3.34 | % | $ | 16,181,014 | $ | 632,919 | 3.91 | % | $ | 14,352,569 | $ | 626,678 | 4.37 | % | |||||||||||||||||||||||||||||||||||
| Time deposits | 908,013 | 36,565 | 4.03 | % | 859,400 | 34,834 | 4.05 | % | 1,062,644 | 43,892 | 4.13 | % | |||||||||||||||||||||||||||||||||||||||||
| Securities loaned | 163,966 | 974 | 0.59 | % | 113,330 | 1,830 | 1.61 | % | 153,552 | 2,214 | 1.44 | % | |||||||||||||||||||||||||||||||||||||||||
| Advances from the FHLB | 455,746 | 17,586 | 3.86 | % | 74,385 | 1,652 | 2.22 | % | 107,454 | 3,087 | 2.87 | % | |||||||||||||||||||||||||||||||||||||||||
| Secured financings | 508,663 | 23,108 | 4.54 | % | — | — | — | % | — | — | — | % | |||||||||||||||||||||||||||||||||||||||||
| Borrowings, subordinated notes and debentures | 369,148 | 22,009 | 5.96 | % | 332,665 | 16,458 | 4.95 | % | 358,452 | 18,307 | 5.11 | % | |||||||||||||||||||||||||||||||||||||||||
| Total interest-bearing liabilities | 20,658,105 | $ | 710,042 | 3.44 | % | 17,560,794 | $ | 687,693 | 3.92 | % | 16,034,671 | 694,178 | 4.33 | % | |||||||||||||||||||||||||||||||||||||||
| Non-interest-bearing demand deposits | 3,360,937 | 2,968,839 | 2,769,272 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Other non-interest-bearing liabilities | 792,945 | 743,920 | 745,472 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Stockholders’ equity | 3,003,920 | 2,501,881 | 2,079,521 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Total liabilities and stockholders’ equity | $ | 27,815,907 | $ | 23,775,434 | $ | 21,628,936 | |||||||||||||||||||||||||||||||||||||||||||||||
| Net interest income | $ | 1,246,910 | $ | 1,127,772 | $ | 961,429 | |||||||||||||||||||||||||||||||||||||||||||||||
Interest rate spread6 | 3.93 | % | 3.97 | % | 3.62 | % | |||||||||||||||||||||||||||||||||||||||||||||||
Net interest margin7 | 4.70 | % | 4.90 | % | 4.62 | % | |||||||||||||||||||||||||||||||||||||||||||||||
| Fiscal Year Ended | |||||||||||
June 30, 2026 | June 30, 2025 | ||||||||||
| Efficiency ratio | 42.19 | % | 40.80 | % | |||||||
| Return on average assets | 1.90 | % | 2.02 | % | |||||||
| Interest rate spread | 4.00 | % | 4.03 | % | |||||||
| Net interest margin | 4.74 | % | 4.95 | % | |||||||
| June 30, | |||||||||||
| (Dollars in thousands) | 2026 | 2025 | |||||||||
| FDIC insured program balances at banks | $ | 1,673,368 | $ | 1,444,830 | |||||||
| Margin balances | $ | 312,623 | $ | 229,387 | |||||||
| Cash reserves for the benefit of customers | $ | 101,024 | $ | 146,835 | |||||||
| Securities lending: | |||||||||||
| Interest-earning assets – stock borrowed | $ | 163,462 | $ | 139,396 | |||||||
| Interest-bearing liabilities – stock loaned | $ | 194,729 | $ | 139,426 | |||||||